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4G LTE IoT Gateway - RGX-840

Industrial IoT Gateway - Raspberry Pi compatible

4G/LTE - GPS - CAN - RS485/232 - Gyroscope - Sensor

NodeRed, MQTT, REST, J1939, CANopen, Codesys etc.
Energy-saving - Robust - Ultra-compact
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Industrial 4G LTE IoT Gateway

The RGX-840 industrial 4G LTE IoT Gateway product family is specifically designed for use in mobile applications in all types of vehicles. The RGX-840 is equipped with a freely configurable and programmable Linux Debian 9 / Stretch based operating system. The RPi compatibility leads to significant cost savings in software development, system setup, and system maintenance. Applications can be realized quickly and inexpensively. The system is equipped with an integrated 4G / LTE modem and a GPS / GLONASS receiver and supports - among other interfaces - up to 2 CAN ports. Thanks to the very low power consumption, the device operates fanless. Thanks to its compact dimensions, the system is easy to install even in demanding installation situations.



Industrial-grade interface equipment
The RGX-840 IoT Gateway System supports up to 2 CAN bus interfaces in the 2.0A and 2.0B standards. In addition, a 10/100 Mbit Ethernet interface, RS485 and RS232 interfaces as well as two 480Mbps USB host interfaces are supported. In addition, digital inputs and outputs are also available for the application. Optionally, an I2C interface and a 1-Wire interface enable the coupling of a wide variety of sensors.

Powerful and reliable computer platform
The RGX-840 is equipped with a 1.2 GHz quad core processor. The main memory is 1GB memory and as mass storage a 4GB onboard eMMC, alternatively up to 128GB onboard industrial microSD mass storage available. Thanks to the hardware watchdog, the operating software can be reliably protected against failure due to unintentional operating states. The integrated 4G LTE module can be restarted independently of the computer system. The very low power consumption also allows battery-powered applications without any problems.

Worldwide internet connection
The integrated 4G LTE modem can be used worldwide. There is an automatic fallback to 3G or 2G, should no 4G network be available. To connect to the internet only the provider data is needed. The SIM card is accessible from the outside and is housed in a sturdy holder with lock. The  SMA plug connectors support the connection of external antennas.



Fast and easy software implementation and internet connection
A variety of packages, protocols and connectivity options are available for the specific connection to the process and the cloud:

  • NodeRed
  • Codesys
  • MQTT
  • REST
  • J1939
  • CANopen
  • AWS - Azure - Google Cloud - Cumulocity

Debian 9 / Stretch based Linux system
The operating system is a Debian 9 / Stretch based Raspbian. The system can be conveniently and easily adapted and expanded via the package management. All interfaces of the RGX-840 are controlled via standard ports or interfaces. The CAN ports are programmed via the standardized SocketCAN interface. The J1939 protocol as well as the CANopen protocol are available. Examples of sending and receiving CAN messages ensure fast implementation of specific applications. The internal eMMC or microSD card memory can be easily and conveniently programmed with a setup USB stick with any image. The programming process requires no specialized knowledge and can be performed without a host PC.

Specification RGX-840

 RGX-840 CANRGX-840 RS485RGX-840 PRORGX-840 FLEX
Linux Operating System

Debian 9 / Stretch based Raspbian headless system with full access to the Raspberry Pi Software World

The Linux system is freely configurable and programmable

1.2GHz Cortex A53 Quad core

Flash4 GB eMMC onboard
alternatively up to 128GB microSD onboard Flash memory (factory option)
Main Memory

1GB Low Power DDR2 memory

LTE/4GDual-Band TDD-LTE B38/B40, Five-Band FDD-LTE B1/B3/B7/B8/B20, Dual-Band UMTS/HSDPA/HSPA+ B1/B8, Dual-Band GSM/GPRS/EDGE 900/1800 MHz
The module can be reset by software
4G/3G Antenna ConnectorSMA female connector, Optional: auxiliary antenna connector, optional FAKRA connector
GNSS (GPS, GLONASS)Protocol: NMEA-0183, GPS supports MS/UE-based, MS/UE-assisted and hybrid modes with AFLT (CDMA), NMR (GSM), and MRL(UMTS, WCDMA, LTE), standalone and network-aware modes , A-GPS
Accuracy: 2.5m (CEP50) TTFF (Open Sky), Hot start <1s, Cold start 35s 
GPS: Cold start sensitivity: -148dBm, Tracking sensitivity   -159 dBm
GLONASS: Tracking sensitivity -158 dBm , supports standalone mode 
GNSS Antenna ConnectorSMA female connector, integrated power supply for active antennas, optional FAKRA connector

1 x 10/100 BaseT Ethernet interface

USB Host

2 x USB host 2.0 high speed 480Mbps, the power supply of each USB port can be controlled by software.
So the USB device can be reset by software without user intervention

RS2321 x RS232 - terminal
RS422 / RS485-

1 RS485
(BT is disabled with this option)

1 x RS232 or 1 x RS485
(BT is disabled with this option)

0/1 x RS232 or
0/1 x RS485
(BT is disabled with this option)

Digital Inputs

2 digital, isolated inputs


2 digital, isolated inputs

0/2 digital, isolated inputs

Digitale Outputs

2 digital outputs


2 digital outputs

0/2 digital outputs


Optional: HDMI interface type A connector


Battery-buffered RTC


WiFi 802b / g / n with external antenna connection (combined with Bluetooth antenna, if the Bluetooth option is available)


Bluetooth V4.1, V3.0 + HS, V2.1 + EDR

with external antenna connection (combined with WiFi antenna, if the WiFi option is available)

Integrated Sensors3-axis accelerometer: +2G, +-4G, +-8G and
Temperature: .40°C..+85°C
Status LEDs1 x Power on, 1 x System activity, 1 x microSD access,
3 user programmable LED's

Hardware Watchdog

Hardware Watchdog for automatic reset in case of software failure
also usable for software controlled hardreset for full restart


Hidden small key for launching a user definde script/program
e.g. for setting of default configurations

Power Supply

Wide range DC input 8..40 Volts with polarity protection, Industrial connector
very low power consumption from ~ 3 watts


The optional power control input can e.g. be directly attached to the ignition terminal. If the ignition is switched off, the application gets a switch-off request.


Storage: -40°C..+85°C, Standard operating: -25°C..+70°C non condensing

Wide Temperature models, operational extended: -25°C..+70°C non condensing,

-30°C..+70°C non condensing with onboard microSD

CaseStable aluminium case, Dimensions: ca. 102 x 95 x 31 mm
Mounting optionsMounting brackets, DIN rail snap-in holder


SMA Antenna Connectors

The RGX-840 product family is available with both FAKRA antenna connectors and SMA connectors.
FAKRA automotive connectors are standardized connectors with both mechanical and color coding of the corresponding functions, such as 4G in violet color or GPS in blue color.
SMA connectors are widely used standard antennas. Many antennas are offered as standard with SMA plugs.
It should be noted that there are male and female connectors and moreover so-called inverse connectors. In the case of the inverted plugs, the arrangement remains threaded and the union nut but inside the plug, the pin and socket are reversed.
The RGX-840 computer family is equipped for 4G and GPS with SMA standard female connectors.
The antenna must therefore have an SMA standard male connector. WiFi is equipped with an R-SMA connector.

Mounting Brackets

The Bracket option makes it easy to attach the RGX-840 In-Vehicle Computer to flat mounting surfaces. This ensures a stable and easy mounting of the RGX-840.


The horizontal DIN rail mount option allows the RGX-840 in-vehicle computer to be mounted on a standard DIN rail. The horizontal mounting option is chosen when space is limited to the front.
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